Boneshatter

BoneshatterAttack, AoE, Melee, Strike
Tier: 1
Level: (1-20)
Cost: (9-65) Mana
Attack Speed: 60% of base
Attack Damage: (100-312)% of baseAttack enemies with a melee Strike. The Strike will cause a Heavy Stun on enemies that are Primed for Stun. Upon causing a Heavy Stun it will also create a Shockwave, dealing a large amount of damage in an area.Initial Strike
+2 to Melee Strike Range
While Dual Wielding, both weapons hit with 30% less damage
Cannot cause Stun buildup

Shockwave
Attack Damage: (250-780)%
While Dual Wielding, both weapons hit with 30% less damage
Shockwave radius is 2 metres

Additional Effects From 1-20% Quality:
(1-20)% more Attack SpeedSkills can be managed in the Skills Panel.

Acquisition
Drop restricted
It can be obtained by engraving an Uncut Skill Gem.Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemBoneshatter

Boneshatter is a mace strike skill that that causes a Heavy Stun on enemies Primed for Stun. Enemies that are stunned by this skill release a damaging shockwave.

Gem level progression

Level		Mana Cost	Attack Damage	Shockwave Attack Damage
1	0	9	100%	—
2	3	10	110%	—
3	6	11	121%	—
4	10	12	132%	—
5	14	14	142%	—
6	18	15	153%	—
7	22	17	164%	—
8	26	19	174%	—
9	31	21	182%	—
10	36	23	191%	—
11	41	25	201%	—
12	46	28	211%	—
13	52	31	222%	—
14	58	35	233%	—
15	64	39	244%	—
16	66	43	257%	—
17	72	48	269%	—
18	78	53	283%	—
19	84	59	297%	—
20	90	65	312%	—

Recommended support gems

The following support gems are recommendations by GGG as listed in-game, and do not necessarily reflect optimal combinations or the views of the wiki.

Gem tier	Support gems
I	Brutality IBrutality ISupport, Physical Category: Brutality Tier: 1 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that deals damage, boosting its Physical damage at the expense of all other Damage Types.Supported Skills deal 25% more Physical Damage Supported Skills deal no Chaos Damage Supported Skills deal no Elemental DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Enduring Impact IEnduring Impact ISupport Category: Enduring Impact Tier: 1Support Requirements: +5 StrSupports any skill that Hits enemies, giving it a chance to gain an Endurance Charge when causing a Heavy Stun.30% chance to gain an Endurance Charge when Heavily Stunning a non-Unique Enemy with Supported Skills Gain 1 Endurance Charge on Heavily Stunning a Unique Enemy with Supported SkillPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Impact ShockwaveImpact ShockwaveSupport, Attack, AoE, Melee, Strike Category: Impact Shockwave Tier: 1Support Requirements: +5 StrSupports Melee Strike skills, causing them to create an Aftershock that damages enemies around the target when they Heavy Stun an enemy.Supported Skills cause an Aftershock when they Heavy Stun an Enemy, dealing the same damage to enemies within 1.5 metresPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
II	Behead IBehead ISupport, Attack, Melee, Strike Category: Behead Tier: 2Support Requirements: +5 StrSupports Strike skills, causing them to steal a Modifier from Rare monsters they kill.Killing Blows from Supported Strike Skills against Rare monsters grant one of their Modifiers for 20 secondsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Brutality IIBrutality IISupport, Physical Category: Brutality Tier: 2 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports any skill that deals damage, boosting its Physical damage at the expense of all other Damage Types.Supported Skills deal 30% more Physical Damage Supported Skills deal no Chaos Damage Supported Skills deal no Elemental DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Defy IDefy ISupport, Attack Category: Defy Tier: 2Support Requirements: +5 StrSupports Attack Skills you use yourself. Hit Damage from Supported Skills is Lucky if you are Surrounded.Attack Damage with Hits with Supported Skills is Lucky while you are SurroundedPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
III	Behead IIBehead IISupport, Attack, Melee, Strike Category: Behead Tier: 3Support Requirements: +5 StrSupports Strike skills, causing them to steal two Modifiers from Rare monsters they kill.Killing Blows from Supported Strike Skills against Rare monsters grant two of their Modifiers for 20 secondsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Close Combat IClose Combat ISupport, Attack Category: Close Combat Tier: 3 Cost & Reservation Multiplier: 120%Support Requirements: +5 DexSupports Attacks, causing them to deal more damage to enemies based on how close they are to you.Supported Skills deal 20% more Attack Damage to enemies within 1 metre of you, scaling down to no bonus at 3.5 metres or furtherPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Stoicism IStoicism ISupport Category: Stoicism Tier: 3Support Requirements: +5 StrSupports Attack Skills you use yourself. Supported Skills steadily gain more Damage, up to a cap. This Damage bonus is reset if you Dodge Roll or use a Travel Skill.Supported Skills gain 1% more Damage every second, up to 20% This Damage Bonus resets if you Dodge Roll or use a Travel SkillPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
IV	Ancestral Call IAncestral Call ISupport, Attack, Melee, Strike Category: Ancestral Call Tier: 4 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports Strikes you use yourself, providing a powerful Ancestral Boost every few seconds. Cannot Support Channelled Skills and does not modify Skills used by Minions.Supported Strike Skills are Ancestrally Boosted once every 5 secondsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Enduring Impact IIEnduring Impact IISupport Category: Enduring Impact Tier: 4Support Requirements: +5 StrSupports any skill that Hits enemies, giving it a chance to gain an Endurance Charge when causing a Heavy Stun.30% chance to gain an Endurance Charge when Heavily Stunning a non-Unique Enemy with Supported Skills Gain 3 Endurance Charges on Heavily Stunning a Unique Enemy with Supported SkillPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Execute IIExecute IISupport Category: Execute Tier: 4 Cost & Reservation Multiplier: 110%Support Requirements: +5 StrSupports any skill that Hits enemies, causing it to deal more damage against enemies on Low Life.Supported Skills deal 50% more Damage with Hits against Enemies that are on Low LifePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.
V	Ancestral Call IIAncestral Call IISupport, Attack, Melee, Strike Category: Ancestral Call Tier: 5 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports Strikes you use yourself, providing a powerful Ancestral Boost every few seconds. Cannot Support Channelled Skills and does not modify Skills used by Minions.Supported Strike Skills are Ancestrally Boosted once every 3 secondsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	Defy IIDefy IISupport, Attack Category: Defy Tier: 5Support Requirements: +5 StrSupports Attack Skills you use yourself. Hit Damage from Supported Skills is Lucky and Insufficient Mana doesn't prevent Supported Skills from being used if you are Surrounded.Attack Damage with Hits with Supported Skills is Lucky while you are Surrounded Insufficient Mana doesn't prevent the use of Supported Skills while SurroundedPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.	HeftHeftSupport, Physical Category: Heft Tier: 5 Cost & Reservation Multiplier: 120%Support Requirements: +5 StrSupports Skills which deal Damage, increasing the maximum Physical Damage of their Hits.Supported Skills deal 30% more Maximum Physical Hit DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple Support Gems of the same Category socketed within one Skill.

Item acquisition

Boneshatter has restrictions on where or how it can drop.

It can be obtained by engraving an Uncut Skill Gem.

Alternate skill effects

Boneshatter has the following alternate skill effects:

Item	Description

Version history

Version	Changes
0.3.0	Boneshatter: Shockwave now deals 50% more Damage against Unique Enemies.
0.2.0	Many Skills have had their base damage and/or damage growth per level rebalanced. Most of these changes are not specifically mentioned below as the changes are too widespread. The mana cost for all Attacks, Marks and Warcries has been reduced, most notably at higher Gem levels.
0.1.0d	Boneshatter now more reliably hits your target.
0.1.0	Introduced to the game.